Provider Profile
Sebastian Sander
Unclaimed ProfileAbout Sebastian Sander
Sebastian Sander is a physician assistant based in Seattle, WA. Medicare claims data shows Sebastian provided 1,040 services to 615 patients. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, new patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more, and injection, triamcinolone acetonide, not otherwise specified, 10 mg.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (509) 998-1577
- Email not available
Practice Locations
4311 11TH AVE NE STE 200
Seattle, WA 98105
25455 Barton Rd Ste 102B
Loma Linda, CA 92354
Procedures Most Often Billed to Medicare
1,040 services · 615 patients · 7 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Aspiration and/or injection of fluid from large joint | Procedure | 20610 |
114 | More often than most peers in Physician Assistant |
| Aspiration and/or injection of fluid from small joint | Procedure | 20600 |
15 | Less often than most peers in Physician Assistant |
| Injection, triamcinolone acetonide, not otherwise specified, 10 mg | Drug given | J3301 |
208 | As often as other peers in Physician Assistant |
| Injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg | Drug given | J0702 |
178 | More often than most peers in Physician Assistant |
| Hyaluronan or derivative, gel-one, for intra-articular injection, per dose | Drug given | J7326 |
17 | Less often than most peers in Physician Assistant |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
299 | More than most peers in Physician Assistant |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
209 | More than most peers in Physician Assistant |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other physician assistants at this location 8
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 6
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 32 related providers in 4 groups
Other physician assistants in Seattle 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2022 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Aspiration and/or injection of fluid from large joint 8
Providers in WA who bill this service to Medicare most often.
Common questions
What does Sebastian Sander specialize in?
Sebastian Sander is a physician assistant in Seattle, WA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Sebastian Sander located?
Sebastian Sander is listed at 4311 11Th Ave Ne Ste 200, Seattle, WA 98105. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Sebastian Sander's phone number?
The number on file is (509) 998-1577. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Sebastian Sander?
Sebastian Sander's National Provider Identifier is 1609504687. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Sebastian Sander train?
Sebastian Sander attended Other, graduating in 2022. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Sebastian Sander have?
Sebastian Sander has 4 years experience. Calculated from a graduation year of 2022, reported in the CMS National Downloadable File.
CMS public data
What does Sebastian Sander do most often?
According to Medicare billing data, Sebastian Sander performs procedures including aspiration and/or injection of fluid from large joint and aspiration and/or injection of fluid from small joint, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Sebastian Sander's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Sebastian Sander. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.